/
main.go
66 lines (58 loc) · 1.19 KB
/
main.go
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package main
/*
#include <mach/mach.h>
#include <mach/vm_page_size.h>
mach_port_t myHost;
vm_statistics64_data_t vm_stat;
void Init()
{
myHost = mach_host_self();
}
int64_t SwapCount()
{
unsigned int count = HOST_VM_INFO64_COUNT;
kern_return_t ret;
if ((ret = host_statistics64(myHost, HOST_VM_INFO64, (host_info64_t)&vm_stat, &count) != KERN_SUCCESS)) {
return -1;
}
return (int64_t)(vm_stat.swapins + vm_stat.swapouts);
}
*/
import "C"
import (
"bytes"
"fmt"
"golang.org/x/mobile/exp/audio"
"log"
"time"
)
type ReadSeekCloser struct {
*bytes.Reader
}
func (rsk ReadSeekCloser) Close() error {
return nil
}
func main() {
tick := time.Tick(time.Duration(16) * time.Millisecond)
C.Init()
lastSwap := C.SwapCount()
noise := ReadSeekCloser{bytes.NewReader(MustAsset("sound/noise.wav"))}
player, err := audio.NewPlayer(noise, audio.Mono16, 44100)
if err != nil {
log.Fatal(err)
}
player.SetVolume(1.0)
for _ = range tick {
swap := C.SwapCount()
if swap != lastSwap {
fmt.Println("swap count:", swap)
state := player.State()
if state == audio.Playing || state == audio.Paused {
player.Stop()
}
player.Seek(0)
player.Play()
lastSwap = swap
}
}
}